2.9
Earthquake Details: 85 km SSW of Unalaska, Alaska
Aug 27, 2026, 22:40:16
A magnitude 2.9 earthquake occurred near 85 km SSW of Unalaska, Alaska on Aug 27, 2026 at 22:40:16. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth35 km
Significance129
Latitude53.1231
Longitude-166.8310
Event IDus7000tcgp
Magnitude2.9
Updated:Aug 28, 2026, 00:48:01 UTC
External Resources
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Time & depth
- Local time
- Aug 27, 2026, 22:40:16
- UTC
- Aug 27, 2026, 22:40:16 UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M2.990 km SSE of Akutan, AlaskaBeforeM2.7198 km SE of Akutan, AlaskaBeforeM4.193 km SSE of Sand Point, AlaskaBeforeM2.990 km SE of King Cove, AlaskaBeforeM2.981 km SE of King Cove, AlaskaBeforeM2.8154 km SSE of Atka, AlaskaBeforeM3.9134 km E of Atka, AlaskaBeforeM2.9105 km SE of False Pass, AlaskaBeforeM4.8195 km SE of Akutan, AlaskaBeforeM2.790 km SE of Akutan, AlaskaBeforeM2.6203 km S of False Pass, AlaskaBeforeM2.695 km S of Unalaska, AlaskaBefore
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 28, 2026, 00:48 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.